[PATCH V7 05/14] mmc: core: Hold re-tuning during erase commands

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hold re-tuning during erase commands to prevent
it from conflicting with the sequence of commands.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 drivers/mmc/core/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index ec3453f..ff1e384 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1995,6 +1995,8 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
 	unsigned long timeout;
 	int err;
 
+	mmc_retune_hold(card->host);
+
 	/*
 	 * qty is used to calculate the erase timeout which depends on how many
 	 * erase groups (or allocation units in SD terminology) are affected.
@@ -2098,6 +2100,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
 	} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
 		 (R1_CURRENT_STATE(cmd.resp[0]) == R1_STATE_PRG));
 out:
+	mmc_retune_release(card->host);
 	return err;
 }
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux